Platystemma violoides Wall.

Species

Angiosperms > Lamiales > Gesneriaceae > Platystemma

Characteristics

Stems 3-9(-12) cm, sparsely white pubescent to glabrescent. Leaf blade broadly ovate, 1.5-8 X 1.8-8 cm, adaxially white appressed pubescent, abaxially sparsely white pubescent, base cordate to auriculate, margin coarsely dentate, apex broadly acute to obtuse; lateral veins subpalmate, 3-6 on each side of midrib. Peduncle 1-4 cm, sparsely glandular pubescent; bracts subulate, 1-3 X 0.5-1 mm. Calyx 2.7-3.7 mm; tube ca. 0.7 mm; segments ovate-oblong, 2-3 X 1-1.5 mm, outside sparsely puberulent to glabrous. Corolla purple-red, throat spotted adaxially, adaxial lobes yellow with purple spots, 0.7-1.3 cm; tube ca. 3 mm; limb distinctly 2-lipped; adaxial lip 3.5-4.5 mm, lobes ovate, 2-2.5 X 2-3 mm; abaxial lip 5-8 mm, lobes ovate, 3-5.5 X 3-3.5 mm. Filaments 1-2 mm; staminode ca. 0.25 mm. Pistil exserted, glabrous; ca. 3 mm. Style 6.5-10 mm. Capsule partially enclosed in persistent calyx, 5-7 mm.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.25
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-6
Soil humidity 3-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) 1
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Platystemma violoides unspecified picture

Distribution

Platystemma violoides world distribution map, present in Bhutan, China, India, and Nepal

Identifiers

LSID urn:lsid:ipni.org:names:382324-1
WFO ID wfo-0000467424
COL ID 4JYZ7
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Platystemma violoides Platystemma majus Didymocarpus hamosus Chirita violoides